CVE-2023-30537

Name: CVE-2023-30537
Creator: NVD / NIST
Published: 2023-04-16T08:15:07.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2023-30537 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with the right to add an object on a page can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with the right to add an object on a page can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the styles properties `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki versions 13.10.11, 14.4.7 and 14.10.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.04%

59.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Xwiki	Xwiki	>= 12.6.6, < 13.10.11
Xwiki	Xwiki	>= 14.0, < 14.4.7
Xwiki	Xwiki	>= 14.5, < 14.10

References

https://github.com/xwiki/xwiki-platform/commit/df596f15368342236f8899ca122af8f3df0fe2e8Patch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vrr8-fp7c-7qgpExploit, Patch, Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-20280Exploit, Issue Tracking, Patch, Vendor Advisory
https://github.com/xwiki/xwiki-platform/commit/df596f15368342236f8899ca122af8f3df0fe2e8Patch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vrr8-fp7c-7qgpExploit, Patch, Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-20280Exploit, Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Apr 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-30537?

How severe is CVE-2023-30537?

CVE-2023-30537 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30537?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30537?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST